ConAgra Foods plans to close one of its two cookie plants in the eastern Wisconsin city of Ripon, a move that would eliminate about 300 jobs later this year. Omaha-based ConAgra, which owns brands including Hunt's, Healthy Choice and Marie Callender's, took over production of Rippin' Good Cookies after purchasing the plants from Ralcorp in 2013. The west plant targeted for closure makes "soft bake and enrobed cookies," according to the company. An outlet store on the campus would also close, while the east plant would continue producing wafer cookies. Laid-off workers can apply for other...